The iPhone 4S brings a reworked iOS 5 and introduces Siri, a personal voice assistant allowing you to vocally communicate with the iPhone. It comes with a 3.5" screen with a resolution of 640 x 960, but on the inside there's a twice more powerful dual-core A5 processor. The rear 8MP camera resides and it's capable of recording 1080p videos Apple iPhone 4S 16GB Apple iPhone 4S 32GB Apple iPhone 4S 64GB ALL BRAND NEW AND 100% FACTORY UNLOCKED Email contact :  camerauk.ltd@hotmail.co.uk